/*
 * Copyright 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.pajamas.daydream.template.sequence.context;

import com.google.common.collect.Maps;

import org.pajamas.daydream.template.sequence.SequenceContext;
import org.springframework.util.CollectionUtils;

import java.util.Map;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * @author william
 * @since 2024/4/5
 */
public class MapContext implements SequenceContext {
    private final Map<String, Object> map;

    public MapContext(Map<String, Object> map) {
        this.map = Maps.newHashMap();
        if (map != null && !map.isEmpty()) {
            this.map.putAll(map);
        }
    }

    public MapContext(String key, Object value) {
        this(null);
        this.put(key, value);
    }

    public MapContext() {
        this(null);
    }

    @Nullable
    @Override
    public Object doGetValue(@Nonnull String key) {
        return this.map.get(key);
    }

    public void put(String key, Object value) {
        this.map.put(key, value);
    }

    public void putAll(Map<String, Object> aMap) {
        if (!CollectionUtils.isEmpty(aMap)) {
            this.map.putAll(aMap);
        }
    }
}
